Table of Contents
Advertisement
Chapter 6 Drive Communication Network｜VP3000
6-1 Modbus Communication
6-1-1 Specification
Item
Interface
Sync Method
Communicatio
n Parameters
Communication Protocol
Number of Connected Drives
⚫
When using the communication interface, the diagram on the
right shows the communication port pin definitions. We
recommend that you connect the AC motor drive to your PC
by using Delta IFD6530 or IFD6500 as a communication
converter. Refer to the RJ45 terminal on Section 3-4-1
Wiring for details of the communication port on the right.
⚫
Default communication format of the port:
Modbus ASCII mode
1.
9600 bps transmission speed
2.
7 data bits
3.
No calibration (NONE)
4.
2 stop bits
5.
⚫
Modbus ASCII (American Standard Code for Information Interchange): Each byte of data is
the combination of two ASCII characters. For example, one byte of data: 64 Hex, shown as
'64' in ASCII, consists of '6' (36Hex) and '4' (34Hex).
RS-485
Asynchronous
Transmission
4.8, 9.6, 19.2, 38.4, 57.6, 78, 115.2 Kbps
Speed
Data length
7-bit, 8-bit
Calibration
Even number (E), Odd number (O), None (N)
Stop bit
1-bit, 2-bit
Modbus RTU/ ASCII
Up to 31 drives
Specifications
246
Advertisement
Table of Contents
